<?xml version="1.0" encoding="UTF-8"?>
<gda:GetDataAvailability service="SOS" version="2.0" xsi:schemaLocation="http://www.opengis.net/sosgda/1.0 ../sosGetDataAvailability.xsd" xmlns:gda="http://www.opengis.net/sosgda/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gda:availabilityTimeframe>
    <gml:TimePeriod gml:id="ID-01">
      <gml:beginPosition>2010-07-21T06:00:00Z</gml:beginPosition>
      <gml:endPosition>2010-07-21T12:00:00Z</gml:endPosition>
    </gml:TimePeriod>
  </gda:availabilityTimeframe>
  <gda:featureOfInterest>http://my.org/fois/foi1</gda:featureOfInterest>
  <gda:featureOfInterest>http://my.org/fois/foi2</gda:featureOfInterest>
  <gda:featureOfInterest>http://my.org/fois/foi3</gda:featureOfInterest>
  <gda:featureOfInterest>http://my.org/fois/foi4444</gda:featureOfInterest>
  <gda:minimumTimeGap>PT15M</gda:minimumTimeGap>
  <gda:offering>http://service.com/sos/offering1</gda:offering>
    <gda:offering>http://service.com/sos/offering2</gda:offering>
  <gda:offering>http://service.com/sos/offering3</gda:offering>
  <gda:useAllObservedProperties>true</gda:useAllObservedProperties>
</gda:GetDataAvailability>

<!-- example:

http://service.com/sos/offering1

  http://service.com/sos/observation1_1
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-21T08:10:00Z
    featureOfInterest = http://my.org/fois/foi1
    observedProperty = http://authority.org/dictionary/def/property/airquality
    
  http://service.com/sos/observation1_2
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-21T08:30:00Z
    featureOfInterest = http://my.org/fois/foi1
    observedProperty = http://authority.org/dictionary/def/property/airquality
    
  http://service.com/sos/observation1_3
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-21T08:50:00Z
    featureOfInterest = http://my.org/fois/foi1
    observedProperty = http://authority.org/dictionary/def/property/airquality
    
  http://service.com/sos/observation1_4
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-21T10:00:00Z
    featureOfInterest = http://my.org/fois/foi1
    observedProperty = http://authority.org/dictionary/def/property/airquality
    
  http://service.com/sos/observation1_5
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-21T10:10:00Z
    featureOfInterest = http://my.org/fois/foi1
    observedProperty = http://authority.org/dictionary/def/property/airquality

http://service.com/sos/offering2
  http://service.com/sos/observation2_1
    procedure = http://my.org/sensors/process2
    phenomenonTime = 2010-07-21T08:12:00Z
    featureOfInterest = http://my.org/fois/foi2
    observedProperty = http://authority.org/dictionary/def/property/humidity

http://service.com/sos/offering3

  http://service.com/sos/observation3_1
    procedure = http://my.org/sensors/process1
    phenomenonTime = 2010-07-20T01:00:00Z
    featureOfInterest = http://my.org/fois/foi3
    observedProperty = http://authority.org/dictionary/def/property/airquality

http://service.com/sos/offering4

  http://service.com/sos/observation4_1
    procedure = http://my.org/sensors/process4
    phenomenonTime = 2010-07-210T11:59:00Z - 2010-07-21T12:01:00Z
    featureOfInterest = http://my.org/fois/foi2
    observedProperty = http://authority.org/dictionary/def/property/ozone_concentration
    -->